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Horizontal Greenhouse Screening Systems

Saving on energy costs remains an important aspect of new system development. For example, a narrow screen system has been developed for use with special purpose, 18 mm profiles and Ultra Delay slip blocks. Maximum light ingress is achieved in combination with translucent sealer strips. ALWECO always implements the latest and most appropriate technologies in order to satisfy its customers’ requirements and to achieve maximum energy savings.

The basic premise for establishing an optimal climate varies season by season, but ALWECO’s multi screen systems allow growers to respond quickly and easily to these changing factors. Balanced humidity and light ingress levels can be achieved using a combination of double or even triple layered screen systems below one another on the same wire frame, or behind one another sliding in the same direction. The best solution is determined together...

ALWECO’s high quality systems allow growers to control greenhouse climate to a high degree of precision in order to maintain constant ambient conditions. The right humidity and sunlight levels ensure constant production. Greenhouse workers also appreciate a pleasant working climate.

Creating total blackout requires precision work. ALWECO’s full blackout screens demonstrate just how competently its team goes about its work. Firstly, development requires a close monitoring of the existing situation. Not only does the type of greenhouse determine the system’s design, but also other greenhouse systems already in place, e.g. heating and/or lighting systems. Screens are tailor made to fit the existing situation and then...

A perfect climate all year round. The basic premise for establishing an optimal climate varies season by season, but ALWECO’s multi screen systems allow growers to respond quickly and easily to these changing factors. Balanced humidity and light ingress levels can be achieved using a combination of double or even triple layered screen systems below one another on the same wire frame, or behind one another sliding in the same direction. The best...

Light emission reduced to an absolute minimum. ALWECO can reduce greenhouse light emission levels to almost 0.1%! Legislation and regulations provided the initial impetus to develop special purpose shade screen cloths and systems. ALWECO has developed vertical and horizontal systems with its growers and suppliers in single and double layered versions. For example, two systems can be positioned below one another so that ventilation options can be fully...

Vertical Greenhouse Screening Systems

ALWECO’s exterior twin roll screens are virtually identical to its standard twin roll screens. They provide the perfect alternative to traditional glass walls, except that they are assembled outside the greenhouse if it is not possible to install them inside. This does not affect the system’s effectiveness in any way and even has an additional advantage insofar that heat is kept out before it has even reached the greenhouse itself. When...

ALWECO roll wall screens can be seamlessly installed and fitted inside or outside existing structures. Systems are powered by proprietary external motors or conventional tube motors. In most cases, systems are driven by external GXP motors, as dictated by the length of the system installed. ALWECO’s roll wall screens...

An alternative to glass. ALWECO twin roll screens are a flexible alternative to traditional glass walls. Greenhouses can be divided rapidly and flexibly at any particular moment. They also allow segregated, climate controlled compartments to be created at minimal cost. Twin roll screens also provide an alternative solution in situations where it is not possible to install integrated roll walls in end or side walls due to a lack of space. ALWECO twin...

Prevent cool air from pooling. To reduce the amount of cold air onto the crop, ALWECO has developed something new: Baffle screens. These vertical buffers are created by using an additional vertical seal cloth in the greenhouse that minimizes the temperature differences between zones. This cloth then prevents all of the cool air above the cloth from poolin in the same spot above the crop, dividing it into zones above the horizontal cloth.

Screen System

ALWECO’s roll, twin roll and exterior roll walls can be seamlessly integrated into any greenhouse and are compatible with all existing systems. Screens are of the highest quality regardless of whether they form part of an integrated side or end wall screen, or a twin wall. Side and end wall screens can be installed inside or outside the greenhouse.

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